Worst exp. with manager/higher-up?

Too many to pick the worst, but here are a few:

Manager demoted me because he believed I would be a roadblock to his wet dream of re-writing all the business services in WCF
https://youtube.com/watch/...

Manager spent years and wasted countless man hours retiring a single ASP.Net web service by converting the individual supporting assemblies into specific WCF services..
https://youtube.com/watch/...

Manager once berated me for 'missing' time log entries
https://youtube.com/watch/...

Manager scolded me for not fixing a 'bug' while praised another developer who re-wrote a reporting application due to a fixable hardware problem and deleting the source code files from source control.
https://youtube.com/watch/...

Manager wanted to rewrite all our code in XML.
https://youtube.com/watch/...

Manager wanted integration with a new phone system knowing the hardware+software did not exist yet ..
https://youtube.com/watch/...

Manager wanted me to 'take the lead' to speed up a web site in a foreign country we didn't control.
https://youtube.com/watch/...